Patents by Inventor Edward J. Wucherer

Edward J. Wucherer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hydroxylammonium nitrate monopropellant with burn rate modifier
    Patent number: 10040730
    Abstract: A monopropellant includes 30-70% by weight of an oxidizer including hydroxylammonium nitrate, 5-50% by weight of a fuel, and a burn rate modifier in a non-zero amount of up to 3% by weight. The burn rate modifier can be selected from vanadium salts, iron salts, and combinations thereof. The monopropellant is a stable liquid between ?20 C and 100 C at ambient pressure.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: August 7, 2018
    Assignee: AEROJET ROCKETDYNE, INC.
    Inventor: Edward J. Wucherer
  • HYDROXYLAMMONIUM NITRATE MONOPROPELLANT WITH BURN RATE MODIFIER
    Publication number: 20170166491
    Abstract: A monopropellant includes 30-70% by weight of an oxidizer including hydroxylammonium nitrate, 5-50% by weight of a fuel, and a burn rate modifier in a non-zero amount of up to 3% by weight. The burn rate modifier can be selected from vanadium salts, iron salts, and combinations thereof. The monopropellant is a stable liquid between ?20 C and 100 C at ambient pressure.
    Type: Application
    Filed: February 9, 2015
    Publication date: June 15, 2017
    Inventor: Edward J. Wucherer
  • Fire suppression composition and device
    Patent number: 6217788
    Abstract: The present invention is directed to a fire suppression composition, comprising a propellant comprising a fuel and an oxidizer, said propellant capable of generating inert gas; and a fire suppression additive selected from the group consisting of iron-containing compounds, non-halide potassium salts, and combinations thereof. Useful iron-containing compounds include ferric oxide, ferric carbonate, ferric oxalate, and iron cyanide dyes. Useful potassium salts include potassium acetate, potassium acetylacetonate, potassium bicarbonate, and potassium carbonate. The invention is also directed to a fire suppression apparatus that utilizes the above fire suppression composition.
    Type: Grant
    Filed: February 15, 2000
    Date of Patent: April 17, 2001
    Assignee: Primex Aerospace Company
    Inventors: Edward J. Wucherer, Gary F. Holland